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EXIFExchangeable image file format (EXIF) is a specification for the image file format used by digital cameras. It was written by the Japan Electronic Industry Development Association (JEIDA). The specification uses existing file formats such as JPEG, TIFF Rev. 6.0, and RIFF WAVE audio file format, with the addition of specific metadata tags. It's not supported in JPEG 2000 or PNG. The metadata tags defined in the Exif standard cover a broad spectrum including:
Exif data is embedded within the image file itself. While recent image manipulation programs recognize Exif data and will maintain it when writing to a modified image, this is not the case for older programs.
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